[maven-release-plugin] prepare release 4.0.0-RC7
[maven-release-plugin] prepare release 4.0.0-RC7

R-Brain/codenvy,codenvy/codenvy,R-Brain/codenvy,R-Brain/codenvy,codenvy/codenvy,codenvy/codenvy,R-Brain/codenvy,codenvy/codenvy,codenvy/codenvy,R-Brain/codenvy,codenvy/codenvy,R-Brain/codenvy